Figure 17.
The normalized load Pc/Po vs. concrete axial strain curve ε for large-scale column specimens: (a) S80-0.0 and S80-0.75; (b) S120-0.0 and S120-1.0; (c) S170-0.0 and S170-1.5; (d) S340-0.0 and S340-1.5.
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